I'LATE 14- 
EXPLANATION OF FIGURES 
111 So-called 'oocyte' in larval testis. The character and history of these 
cells will be discussed in another communication. 
112 Giant larval spermatocyte, showing size of the spindle. 
113 Giant spermatogonium from testis of first-year larvae. 
114 Large spermatocyte dividing. Only half of the cell is shown. Note 
the extreme length of spindle. 
115 Spermatogonium showing polymorphic nucleus. At left of picture is 
an abnormal spermatocyte division. Tlic chromosomes are torn to pieces by 
polyasters in the cytoplasm. 
116 Gigantic spermatocyte dividing, showing tripolar spindle. Note distri- 
bution of chromosomes on the two spindles. 
328 
